Katharina Kellner | 16. September 2020
Katharina Kellner | 10. September 2020
Guide: How to plan successful digital & hybrid events?
Katharina Kellner | 19. March 2020
Covid-19: Accessibility of Düsseldorf Congress
Katharina Kellner | 28. January 2020
Review of 2019 – an excellent year for Düsseldorf Congress
Katharina Kellner | 11. November 2019
IBTM 2019: Discover “New Meeting Dimensions” in Düsseldorf
Katharina Kellner | 15. July 2019
Awakenings & Time Warp presents Connect 2019
Katharina Kellner | 20. November 2018
doTERRA Europe Convention comes to Düsseldorf
Katharina Kellner | 10. October 2018
CCD’s open-space offices foster creativity and teamwork
Katharina Kellner | 10. October 2018
